<template>
  <div>
    <el-form ref="form" label-width="100px">
      <el-form-item label="SPU名称">{{spu.spuName}}</el-form-item>
      <el-form-item label="SKU名称">
        <el-input placeholder="sku名称" v-model="skuInfo.skuName"></el-input>
      </el-form-item>
      <el-form-item label="价格（元）">
        <el-input placeholder="价格（元素）" type="number" v-model="skuInfo.price"></el-input>
      </el-form-item>
      <el-form-item label="重量（千克）">
        <el-input placeholder="重量（千克）" v-model="skuInfo.weight"></el-input>
      </el-form-item>
      <el-form-item label="描述">
        <el-input type="textarea" rows="4" v-model="skuInfo.skuDesc"></el-input>
      </el-form-item>
      <el-form-item label="平台属性">
        <el-form :inline="true" ref="form" label-width="80px">
          <el-form-item :label="attr.attrName" v-for="attr in attrInfoList" :key="attr.id">
            <el-select placeholder="请选择" v-model="attr.attrIdAndAttrValueId">
              <el-option :label="attrValue.valueName" :value="`${attr.id}:${attrValue.id}`" v-for="attrValue in attr.attrValueList" :key="attrValue.id"></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="销售属性">
        <el-form :inline="true" ref="form" label-width="80px">
          <el-form-item :label="saleAttr.saleAttrName" v-for="saleAttr in spuSaleAttrList" :key="saleAttr.id">
            <el-select placeholder="请选择" v-model="saleAttr.attrIdAndAttrValueId">
              <el-option :label="saleAttrValue.saleAttrValueName" :value="`${saleAttr.id}:${saleAttrValue.id}`" v-for="saleAttrValue in saleAttr.spuSaleAttrValueList" :key="saleAttrValue.id"></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="图片列表">
        <el-table style="width: 100%" border :data="spuImageList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" prop="prop" width="80"> </el-table-column>
          <el-table-column prop="prop" label="图片" width="width">
            <template slot-scope="{row, $index}">
              <img :src="row.imgUrl" style="width: 100px; height: 100px">
            </template>
          </el-table-column>
          <el-table-column prop="imgName" label="名称" width="width"> </el-table-column>
          <el-table-column prop="prop" label="操作" width="width">
            <template slot-scope="{row, $index}">
              <el-button type="primary" v-if="row.isDefault == 0" @click="changeDefault(row)">设为默认</el-button>
              <el-button v-else>默认</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="save">保存</el-button>
        <el-button @click="cancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  name: '',
  data() {
    return {
      // 图片数据
      spuImageList: [],
      // 销售属性
      spuSaleAttrList: [],
      // 平台属性
      attrInfoList: [],
      // sku数据
      skuInfo: {
        "category3Id": "",
        "spuId": "",
        "tmId": "",

        "skuName": "",
        "price": "",
        "weight": "",
        "skuDesc": "", //SKU描述

        // 平台属性
        "skuAttrValueList": [
          {
            "attrId": "",
            "attrName": "",
            "skuId": "",
            "valueId": "",
            "valueName": ""
          }
        ],
        // 销售属性
        "skuSaleAttrValueList": [
          {
            "saleAttrId": "",
            "saleAttrName": "",
            "saleAttrValueId": "",
            "saleAttrValueName": "",
            "skuId": "",
            "spuId": ""
          }
        ],
        // 默认图片
        "skuDefaultImg": "",
        // 图片数据
        "skuImageList": [
          {
            "imgName": "",
            "imgUrl": "",
            "isDefault": "",
            "spuImgId": ""
          }
        ],
      },
      spu: {},
      imageList: []
    }
  },
  methods: {
    // 获取SpuForm数据
   async getData(category1Id, category2Id, spu) {
    this.skuInfo.category3Id = spu.category3Id
    this.skuInfo.spuId = spu.id
    this.skuInfo.tmId = spu.tmId
    this.spu = spu

     let result = await this.$API.spu.reqSpuImageList(spu.id)
     if(result.code == 200) {
      let list = result.data
      list.map(item => {
        item.isDefault = 0
      })
      this.spuImageList = list
     }
    // 获取销售属性
    let result1 = await this.$API.spu.reqSpuSaleAttrList(spu.id)
     if(result1.code == 200) {
      this.spuSaleAttrList = result1.data
     }
    // 获取平台属性
    let result2 = await this.$API.attr.reqAttrList(category1Id, category2Id, spu.category3Id)
      if(result2.code == 200) {
        this.attrInfoList = result2.data
      }
    },
    // 复选框发生改变时触发的回调
    handleSelectionChange(params) {
      this.imageList = params
    },
    // 设置默认图片
    changeDefault(row) {
      this.spuImageList.map(item => {
        item.isDefault = 0
      })
      row.isDefault = 1
      this.skuInfo.skuDefaultImg = row.imgUrl
    },
    // 取消按钮的回调
    cancel() {
      this.$emit('changeScenes', 0)
      Object.assign(this._data, this.$options.data())
    },
    // 保存按钮的回调
    async save() {
      // 结构数据
      const {attrInfoList, spuSaleAttrList,imageList, skuInfo} = this
      // 整理并收集平台属性数据
      skuInfo.skuAttrValueList = attrInfoList.reduce((prev, item) => {
        if(item.attrIdAndAttrValueId) {
          const [attrId, valueId] = item.attrIdAndAttrValueId.split(':')
          prev.push({attrId, valueId})
        }
        return prev
      }, [])
      // 整理并收集销售属性数据
      skuInfo.skuSaleAttrValueList = spuSaleAttrList.reduce((prev, item) => {
        if(item.attrIdAndAttrValueId) {
          const [saleAttrId, saleAttrValueId] = item.attrIdAndAttrValueId.split(':')
          prev.push({saleAttrId, saleAttrValueId})
        }
        return prev
      }, [])
      // 整理并收集图片数据
      skuInfo.skuImageList = imageList.map(item => {
        return {
          imgUrl:item.imgUrl,
          imgName:item.imgName,
          isDefault:item.isDefault,
          spuImgId:item.id
        }
      })
      // 发请求
      await this.$API.spu.reqAddSku(skuInfo)
      this.$message({type: 'success', message: '添加SKU成功'})
      this.$emit('changeScenes', 0)
      Object.assign(this._data, this.$options.data())
    }
  }
}
</script>

<style   scoped></style>
